Indigo Blue

The color code of Indigo Blue indicates, that blue is the main light source among the primary colors red, green and blue. As red and green have equal intensities, blue remains as dominant basic color for the initial color impression. Learn more …

Because achromatic basic colors like black and white are somewhat restrained, the colorfulness of Indigo Blue is only slightly limited: The mixture ratio between chromatic and achromatic basic colors results in 55 % saturation. Since the inherent brightness of its contained basic colors sums up to a perceived brightness of 13 %, Indigo Blue is a quite dark color.

Hex	`#1818a4`
RGB	`rgb(24, 24, 164)`
HSL*	`hsl(240, 74%, 37%)`
Lab*	`22.04 49.56 -71.95`
CMYK*	`85% 85% 0% 36%`

* approximated values

Basic colors

55 %

1818a4